Sound Explorer v0.8.1 Early Preview

Spectrogram viewer and audio player for field recordings.
Visualize, navigate, and listen to WAV files at any speed.

or drag & drop WAV files anywhere on this page

Spectral analysis
Explore recordings up to 384 kHz with configurable FFT, window functions, and six colormaps
Tape-speed playback
Reinterpret sample rate to make ultrasonic content audible — slow down bat calls, speed through dawn chorus
Wall-clock timecodes
Read BWF/iXML metadata to navigate by time of day and match recordings to real-world events
Live capture
View a real-time spectrogram from your microphone or sound card, record segments, and export as WAV

All processing happens locally — your files never leave your device

Keyboard Shortcuts

SpacePlay / Pause
← / →Seek ±1s (±10s with Shift)
↑ / ↓Spectrogram gain ±5 dB
+ / -Zoom in / out
FFit entire file
SZoom to selection
TTrim to selection
UUntrim (restore full view)
GFocus Go To input
Home / EndJump to start / end
EscClear selection

Mouse

Left-click + dragSelect time range
Right-click + dragPan view
Click (no drag)Seek to position
Scroll wheelZoom in / out